title: Commentary: heading the wrong way: the disappearing Tzanck smear.
authors.affiliation: Department of Dermatology, Lahey Clinic, Newton, Massachusetts, USA. thorn@cariscohendx.com
authors.forename: Thomas D
authors.initials: TD
authors.lastname: Horn
mesh_terms: D002568:Certification / Q000331:legislation & jurisprudence; D003581:Cytodiagnosis; D006801:Humans; D007753:Laboratories / Q000592:standards*; D012871:Skin Diseases / Q000175:diagnosis*; D014481:United States